<template>
  <a-row :gutter="24">
    <a-col :md="5" :sm="24">
      <a-card :bordered="false" :loading="treeLoading">
        <div v-if="this.orgTree != ''">
          <a-tree
            v-if="orgTree.length"
            style="scroll:true"
            :tree-data="orgTree"
            :default-expand-all="true"
            :default-expanded-keys="defaultExpandedKeys"
            :replace-fields="replaceFields"
            @select="handleClick"
          />
        </div>
        <div v-else>
          <a-empty :image="simpleImage" />
        </div>
      </a-card>
    </a-col>

    <a-col :md="19" :sm="24">
      <a-card :bordered="false">
        <div v-if="hasPerm('sysOrg:page')" class="table-page-search-wrapper">
          <a-form layout="inline">
            <a-row :gutter="48">
              <a-col :md="8" :sm="24">
                <a-form-item label="机构名称">
                  <a-input v-model="queryParam.name" allow-clear placeholder="请输入机构名称" />
                </a-form-item>
              </a-col>
              <a-col :md="8" :sm="24">
                <a-button type="primary" @click="$refs.table.refresh(true)">
                  查询
                </a-button>
                <a-button style="margin-left: 8px" @click="() => (queryParam = {})">
                  重置
                </a-button>
              </a-col>
              <a-col :md="8" :sm="24" />
            </a-row>
          </a-form>
        </div>

        <div v-if="hasPerm('sysOrg:add')" class="table-operator">
          <a-button v-if="hasPerm('sysOrg:add')" type="primary" icon="plus" @click="$refs.addForm.add()">
            新增机构
          </a-button>
        </div>

        <s-table
          ref="table"
          size="default"
          :columns="columns"
          :data="loadData"
          :alert="true"
          :row-key="record => record.id"
          :row-selection="{ selectedRowKeys: selectedRowKeys, onChange: onSelectChange }"
        >
          <span slot="action" slot-scope="text, record">
            <a v-if="hasPerm('sysOrg:edit')" @click="$refs.editForm.edit(record)">编辑</a>
            <a-divider v-if="hasPerm('sysOrg:edit') & hasPerm('sysOrg:delete')" type="vertical" />
            <a-popconfirm
              v-if="hasPerm('sysOrg:delete')"
              placement="topRight"
              title="确认删除？"
              @confirm="() => sysOrgDelete(record)"
            >
              <a>删除</a>
            </a-popconfirm>
          </span>
        </s-table>

        <add-form ref="addForm" @ok="handleOk" />
        <edit-form ref="editForm" @ok="handleOk" />
      </a-card>
    </a-col>
  </a-row>
</template>

<script>
import { STable } from '@/components'
import { Empty } from 'ant-design-vue'
import { getOrgPage, sysOrgDelete, getOrgTree } from '@/api/modular/system/orgManage'
import addForm from './addForm'
import editForm from './editForm'

export default {
  components: {
    STable,
    addForm,
    editForm
  },

  data() {
    return {
      // 高级搜索 展开/关闭
      advanced: false,
      // 查询参数
      queryParam: {},
      // 表头
      columns: [
        {
          title: '机构名称',
          dataIndex: 'name'
        },
        {
          title: '唯一编码',
          dataIndex: 'code'
        },
        {
          title: '排序',
          dataIndex: 'sort'
        },
        {
          title: '备注',
          dataIndex: 'remark'
        }
      ],
      // 加载数据方法 必须为 Promise 对象
      loadData: parameter => {
        return getOrgPage(Object.assign(parameter, this.queryParam)).then(res => {
          return res.data
        })
      },
      orgTree: [],
      selectedRowKeys: [],
      selectedRows: [],
      defaultExpandedKeys: [],
      //搜索的三个参数
      expandedKeys: [],
      searchValue: '',
      autoExpandParent: true,
      treeLoading: true,
      simpleImage: Empty.PRESENTED_IMAGE_SIMPLE,
      replaceFields: {
        key: 'id'
      }
    }
  },
  created() {
    this.getOrgTree()
    if (this.hasPerm('sysOrg:edit') || this.hasPerm('sysOrg:delete')) {
      this.columns.push({
        title: '操作',
        width: '150px',
        dataIndex: 'action',
        scopedSlots: { customRender: 'action' }
      })
    }
  },

  methods: {
    /**
     * 获取到机构树，展开顶级下树节点，考虑到后期数据量变大，不建议全部展开
     */
    getOrgTree() {
      getOrgTree(Object.assign(this.queryParam)).then(res => {
        this.treeLoading = false
        if (!res.success) {
          return
        }
        this.orgTree = res.data
        this.queryParam.parentId = this.orgTree[0].id
        //全部展开，上面api方法提供的不生效，先用此方法
        for (var item of res.data) {
          if (item.parentId == 0) {
            this.defaultExpandedKeys.push(item.id)
          }
        }
        this.$refs.table.refresh()
      })
    },
    /**
     * 删除
     * @param record
     */
    sysOrgDelete(record) {
      sysOrgDelete(record)
        .then(res => {
          if (res.success) {
            this.$message.success('删除成功')
            this.getOrgTree()
            this.$refs.table.refresh()
          } else {
            this.$message.error('删除失败：' + res.message)
          }
        })
        .catch(err => {
          this.$message.error('删除错误：' + err.message)
        })
    },

    handleClick(e) {
      this.queryParam = {
        pid: e.toString()
      }
      this.$refs.table.refresh(true)
    },
    toggleAdvanced() {
      this.advanced = !this.advanced
    },
    handleOk() {
      this.getOrgTree()
      this.$refs.table.refresh()
    },
    onSelectChange(selectedRowKeys, selectedRows) {
      this.selectedRowKeys = selectedRowKeys
      this.selectedRows = selectedRows
    }
  }
}
</script>

<style lang="less">
.table-operator {
  margin-bottom: 18px;
}
button {
  margin-right: 8px;
}
</style>
